MC DoorSwitch

rednet.open("top")

front = rs.getInput("Front")
left = rs.getInput("Left")

function XORSwitches(a, b)
    if (a and b) then
        return false
    elseif (a or b) then
        return true
    else
        return false
    end
end

while (true) do
    os.pullEvent("redstone")
	front = rs.getInput("Front")
    left = rs.getInput("Left")
    state = XORSwitches(front, left)
    if (state) then
        rednet.broadcast("closeDoor")
    else
        rednet.broadcast("openDoor")
    end
end